| Message ID | 20221215020155.1619839-14-kuba@kernel.org (mailing list archive) |
|---|---|
| State | RFC |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | devlink: code split and structured instance walk | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Clearly marked for net-next, async |
| netdev/fixes_present | success | Fixes tag not required for -next series |
| netdev/subject_prefix | success | Link |
| netdev/cover_letter | success | Series has a cover letter |
| netdev/patch_count | success | Link |
| netdev/header_inline | success | No static functions without inline keyword in header files |
| netdev/build_32bit | success | Errors and warnings before: 2 this patch: 2 |
| netdev/cc_maintainers | success | CCed 6 of 6 maintainers |
| netdev/build_clang | success | Errors and warnings before: 1 this patch: 1 |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
| netdev/check_selftest | success | No net selftest shell script |
| netdev/verify_fixes | success | No Fixes tag |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 2 this patch: 2 |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 42 lines checked |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/source_inline | success | Was 0 now: 0 |
diff --git a/net/devlink/basic.c b/net/devlink/basic.c index d01089b65ddc..c6ad8133fc23 100644 --- a/net/devlink/basic.c +++ b/net/devlink/basic.c @@ -6050,9 +6050,8 @@ static int devlink_nl_cmd_region_get_devlink_dumpit(struct sk_buff *msg, struct devlink_region *region; struct devlink_port *port; unsigned long port_index; - int err = 0; + int err; - devl_lock(devlink); list_for_each_entry(region, &devlink->region_list, list) { if (*idx < start) { (*idx)++; @@ -6064,7 +6063,7 @@ static int devlink_nl_cmd_region_get_devlink_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI, region); if (err) - goto out; + return err; (*idx)++; } @@ -6072,12 +6071,10 @@ static int devlink_nl_cmd_region_get_devlink_dumpit(struct sk_buff *msg, err = devlink_nl_cmd_region_get_port_dumpit(msg, cb, port, idx, start); if (err) - goto out; + return err; } -out: - devl_unlock(devlink); - return err; + return 0; } static int devlink_nl_cmd_region_get_dumpit(struct sk_buff *msg, @@ -6090,8 +6087,10 @@ static int devlink_nl_cmd_region_get_dumpit(struct sk_buff *msg, devlink_dump_for_each_instance_get(msg, dump, devlink) { int idx = 0; + devl_lock(devlink); err = devlink_nl_cmd_region_get_devlink_dumpit(msg, cb, devlink, &idx, dump->idx); + devl_unlock(devlink); devlink_put(devlink); if (err) { dump->idx = idx;
Move the lock taking out of devlink_nl_cmd_region_get_devlink_dumpit(). This way all dumps will take the instance lock in the main iteration loop directly, making refactoring and reading the code easier. Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- net/devlink/basic.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)